Reference Source

ISO carbide application code M20 — Kennametal

What is the grade designation(s) for ISO carbide application code M20 — Kennametal?

For ISO carbide application code M20, grade designation(s) is disputed: KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 per romaycorp.com, KC9225 KC9025 KC8050 KC9125 per aceratool.com; manufacturer is Kennametal, recorded from its source on 2026-08-11.

M20 | R-300 | US7020 F620 F7030 AP20M UP20M | GC1020 GC2025 GC2030 GC4125 GC3040 | TP200 CP50 T250M T25M F25M | AC2000 AC3000 AC325 ACZ330 AC304 | T6020 T725X GH330 AH330 | KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 |

— romaycorp.com, retrieved 2026-08-11

ISO application code
M20 verified
Manufacturer
Kennametal our reading
Grade designation(s)
KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 sources disagree
Sourceromaycorp.com
Verified
Review by
DatasetCarbide insert grade cross-reference by ISO application group and manufacturer

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Grade designation(s)

romaycorp.com says grade designation(s) is KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215, as of 2026-08-11.

M20 | R-300 | US7020 F620 F7030 AP20M UP20M | GC1020 GC2025 GC2030 GC4125 GC3040 | TP200 CP50 T250M T25M F25M | AC2000 AC3000 AC325 ACZ330 AC304 | T6020 T725X GH330 AH330 | KC5025 KC792M KC9225 KC7020 KC9025 KC730 KC9225 KC625M KC705M KC7215 |

https://romaycorp.com/charts/carbide-comparison-chart/

aceratool.com says grade designation(s) is KC9225 KC9025 KC8050 KC9125, as of 2026-08-11.

M20 | AC2115 | GC2025 | NC9020 PC9030 | TT2500 | WAM20 | US7020 F7030 | AC610M AC630M | T6020 T9025 | CA6525 CA6015 | JC110V JC1341 JC215V JC730U | GM8020 | KC9225 KC9025 KC8050 KC9125 |

https://www.aceratool.com/carbide-insert-grades-chart/

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.